A: Scleral lenses can last 1-2 years before requiring replacement. Your optometrist will provide you with instructions on how to wear and care for your lenses to keep them feeling fresh and clean, day in day out. Can I choose the color of my contacts lenses? Opaque coloured tints areRead More →
To put Ray-Ban prescription lenses on your Ray-Ban sunglasses our pricing starts at $59.95 and it depends what material and tint you choose to add. You can choose to add single vision rx (most common for either near sighted or far sighted,) or progressive lenses (both rx in one,) asRead More →
IOLs have been around since the late 1940s and were the first devices to be implanted in the body. Unlike natural lenses, IOLs do not break down over a person’s lifetime and do not need to be replaced. Can intraocular lens implants be replaced? Our answer is yes. If thereRead More →
If You Have Astigmatism Astigmatism is an issue with your eye that affects the cornea. … These days, contact brands accommodate astigmatism. There are different varieties available such as disposable and colored lenses. These contact lenses are more expensive than those that don’t correct astigmatism. Does astigmatism make contacts moreRead More →
Thankfully, EF and EF-S mount lenses can be used on RF mount with an EF to RF adapter. They’re widely available and pretty cheap. Canon’s standard EF to RF adapter is only $99 and works reliably. However, RF mount lenses cannot be used on EF mount at all at theRead More →
What Are the Disadvantages of Progressive Lenses? #1: It can take time to get used to wearing progressive lenses. #2: Some frames are unsuitable. #3: Progressive lenses can cost more than single-vision lenses. At what point do you need progressive lenses? Who Uses Progressive Lenses? Almost anyone with a visionRead More →
Aspherical lenses are lenses with complex curved surfaces, where the radius of curvature changes according to distance from the light beam axis. … Based on Nikon’s long experience in aspherical fabrication, we provide optimal solutions for various customer needs. What is aspherical macro lens? Description: An aspherical lens is aRead More →
DSLRs and mirrorless cameras autofocus a bit differently. DSLRs have dedicated focus sensors, while mirrorless cameras generally rely on sensors built into the imaging sensor. Naturally, mirrorless lenses are designed to work with the focus on mirrorless cameras, while DSLR lenses are designed to work with DSLRs. Do Nikon DSLRRead More →
Look at a bright, reflective light source (e.g., glass, water, or polished metal) with your shades on. If the light increases in intensity when you tilt your head sideways to around 60 degrees, you’re wearing polarized sunglasses. If there’s no change in quality, they’re just tinted. Are ChromaPop lenses polarized?Read More →
Yes, indeed. And in this respect, Zeiss lenses really show high-end performance. On the other hand, these lenses also show some weaknesses – the most obvious being the lenses’ measured sharpness. … So although these lenses are masterpieces of build quality, their results may not always be as good asRead More →